John Krayer
Nonclinical Toxicology Consultant
About
Extensive experience in large and small molecule pharmaceutical preclinical development, specializing in toxicology testing and safety assessment. Skills include compound development/technical team representation, study director/monitor responsibilities, due diligence evaluations, preparation of submission documents, regulatory and health authority interactions, and compilation of health hazard assessments.
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United States
Pharmaceuticals
Toxicology expert representative on compound development teams, Study director/monitor responsibilities for GLP and non-GLP toxicity studies, Preparation and review of submission documents, Due Diligence reviews, Review of internal and external nonclinical documents, Protocol and report preparation, Study design, conduct, and interpretation of data, Manufacturing risk assessments for extractables/leachables and impurities, Biologics Toxicology SEND representative, Safety Data Sheet review, Extensive experience in fetal evaluations, Computer skills: MS Word, MS Excel, MS PowerPoint, MS Project, MS Outlook, etc., Biotechnology, GLP, Clinical Development, Drug Development, Pharmaceutical Industry, Pharmacology, Toxicology, CRO
Experience

Nonclinical Toxicology Consultant
Krayer Consulting Services LLC
Hatfield, Pennsylvania, United States

Scientific Director, Nonclinical Safety
Spring House, PA USA
Nonclinical Safety Lead (Expert Representative) on Cross Functional Project Teams supporting development strategies for small and large molecule (bio)therapeutics. Interacted with team members to facilitate progression of compounds through early and late phase development, compilation of Pharmacology/ Toxicology sections of regulatory filings, and responsed to regulatory inquiries. Managed a team of Study Toxicologists that supported Nonclinical Safety in the execution of strategy. Study monitor responsibilities included interfacing with Toxicology Contract Research Organizations (CRO’s) in the design of toxicology study protocols, conduct of studies, data interpretation, and preparation of final reports. CRO study monitoring performed as needed. Due diligence reviews of licensing opportunities. Performed numerous health hazard assessments.

Associate Scientific Director, Biologics Toxicology
Spring House, PA USA
Biologics Toxicology Expert Representative on Compound Development Project Teams (CDT’s). Interact with members of CDT and Biologics Toxicology to facilitate progression of compounds through early and late phase development, compilation of the Pharmacology/ Toxicology sections of regulatory filings, and response to regulatory inquiries. Study monitor responsibilities include interfacing with Toxicology Contract Research Organizations (CRO’s) in the design of toxicology study protocols, conduct of studies, data interpretation, and preparation of final reports. CRO study monitoring performed as needed. Due diligence review of licensing opportunities. Contact within Biologics Toxicology for the conduct and reporting of health hazard assessments.

Assistant Director, Biologics Toxicology, Biotechnology Center of Excellence
CENTOCOR Research & Development, a division of J&JPRD LLC
Radnor, PA
Biologics Toxicology Expert Representative on Compound Development Project Teams (CDT’s). Interact with members of CDT’s and Biologics Toxicology to facilitate progression of compounds through early and late development, compile the Pharmacology/Toxicology sections of regulatory filings. Study monitor responsibilities include interfacing with Toxicology Contract Research Organizations (CRO’s) in the design of toxicology study protocols, conduct of studies, data interpretation, and preparation of final reports. CRO study monitoring performed as needed. Contact within Biologics Toxicology for the conduct and reporting of health hazard assessments.

Investigator, Reproductive Toxicology, Safety Assessment, Preclinical Development
King of Prussia, PA
Study Director/Monitor for in-house and contracted Safety Assessment (SA) reproductive and general toxicology studies for a variety of development compounds. Responsibilities include planning, coordination and oversight of studies; protocol and report preparation and review; interaction with Project Representatives to coordinate activities. SA Project Representative on a matrix project team for oncology candidate compounds that includes coordination of SA activities, interaction with members of core and program/project team to coordinate SA activities, and representation of SA at team meetings.

Principal Scientist, Full Development and Due Diligence, Global Preclinical Development
Johnson & Johnson Pharmaceutical Research & Development
Spring House, PA
Lead Toxicologist on multi-disciplined Preclinical Development technical teams for several development compounds; Responsibilities included planning, coordination and oversight of general and reproductive toxicity studies; protocol and report review; preparation and review of submission documents; study monitor for contracted studies; Due diligence review of licensing opportunities; critical review of competitors in-class compounds either on the market or in development. Study Director for Drug Evaluation (early lead) safety assessment studies.

Scientist, Drug Safety Evaluation
Spring House, PA
Study Director responsibilities in reproductive toxicology laboratory including supervision of associate staff while performing studies; Assisted with preparation and review of relevant sections in submission documents; Drug Evaluation team representative for reproductive toxicology discipline; Review of CRO reports; Proposed and instituted new process for expedited study reporting.

Research Associate, Drug Safety Evaluation
McNeil Pharmaceutical
Spring House, PA
Protocol preparation, animal dosing, necropsies, fetal evaluations and draft reporting of reproductive toxicology studies.

Teratologist
Wyeth Laboratories
Great Valley, PA
Dosing, necropsies, and fetal evaluations for reproductive toxicology studies.

Research Assistant, Department of Anatomy
Thomas Jefferson Medical College,
Philadelphia, PA
Research activities in neuroanatomy
John Krayer's Contact Information
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